Juniper JNCDS-DC JN0-1301 Questions & Answers

• Question 41:

  You have included in your data center design an SRX1500 chassis cluster. The RFP requires a documented upgrade process for the cluster that minimizes downtime. What satisfies this requirement in this scenario?

  A. an in-service software upgrade

  B. a topology-independent in-service software upgrade

  C. a manual device upgrade

  D. a nonstop software upgrade

  Correct Answer: A

• Question 42:

  Which Junos NFV device is used to provide security in virtualized environments?

  A. TCX1000

  B. SSG20

  C. IC6500

  D. vSRX

  Correct Answer: D

• Question 43:

  Which two statements about data center design are correct? (Choose two.)

  A. The most efficient traffic flow pattern is 50% east-west and 50% north-south.

  B. A data center that provides hosted services should scale based on customer demands.

  C. A multitier design provides better performance as the number of applications increase.

  D. An application may query several resources in response to a single user request.

  Correct Answer: BD

• Question 44:

  You are designing an IP fabric using EBGP.

  In this scenario, what are two ways of designing the ASN scheme for the IP fabric? (Choose two.)

  A. Assign the same ASN to all devices.

  B. Assign the ASN to all leaf devices and a separate ASN to all spine devices.

  C. Assign a unique ASN to each individual device.

  D. Assign the same ASN used by the WAN service provider to the spine devices.

  Correct Answer: CD

• Question 45:

  Click the Exhibit button. You are designing a Layer 2 Ethernet fabric. Your customer wants to know which protocol in your design will ensure a loop-free topology. Referring to the exhibit, which protocol meets this requirement?

  

  A. STP

  B. VCCP

  C. BGP

  D. EVPN

  Correct Answer: B

• Question 46:

  A large multinational corporation wants to implement SDN for rapid deployment of application

  environments.

  You are asked to define SDN service chaining for a presentation to execute management.

  In this scenario, which statement would satisfy the requirement?

  A. Integrated software is used to insert a software widget into the flow of network traffic.

  B. Stacked hardware is used to insert a software widget into the flow of network traffic.

  C. Software is used to virtually insert services into the flow of network traffic.

  D. Hardware is used to virtually insert services into the flow of network traffic.

  Correct Answer: C

• Question 47:

  Click the Exhibit button. You are creating a resilient IP fabric for a data center based on a Clos architecture. Referring to the exhibit, which statement is true?

  

  A. A physical link must be added between spine 2 and spine 3 and between spine 1 and spine 4.

  B. Additional physical links between spine 1 and spine 2 and between spine 3 and spine 4 must be added for resiliency.

  C. No physical links need to be added or removed.

  D. The physical links between spine 1 and spine 2 and between spine 3 and spine 4 must be removed.

  Correct Answer: D

• Question 48:

  Click the Exhibit button. Referring to the exhibit, you want the vSRX device to inspect inter-VM traffic. Which two actions must you take to accomplish this task? (Choose two.)

  

  A. You must put the connections between the VMs and the vSRX device in separate VLANs.

  B. You must put the connections between the VMs and the vSRX device in separate vSwitches.

  C. You must put the connection between the VMs and the vSRX device in the same VLAN.

  D. You must put the connection between the VMs and the vSRX device in the same vSwitch.

  Correct Answer: AB

• Question 49:

  Click the Exhibit button. Traffic congestion is noticed when sending traffic from S1 to S2. You must design a CoS deployment to address the traffic congestion issue. Referring to the exhibit, which two statements are true? (Choose two.)

  

  A. You should use BA classifiers on R1.

  B. You should use multifield classifiers on R2, R3, and R4.

  C. You should use multifield classifiers on R1.

  D. You should use BA classifiers on R2, R3, and R4.

  Correct Answer: AB

• Question 50:

  You are implementing a new financial application in your data center. You must ensure Web traffic to this server is secure.

  Which Junos feature would you use to accomplish this task?

  A. graceful restart

  B. antispam

  C. AppSecure

  D. Virtual Chassis

  Correct Answer: C